Results 131 to 140 of about 799 (162)

MICROBURSTS

, 2003
R.M. Wakimoto
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Concentration Measurements in Experimental Microbursts

AIAA Journal, 1997
Concentration measurements can be employed to examine relationships between local temperature decreases and expected wind velocities. The local concentration of heavy fluid in experimental microbursts was determined using planar laser-induced fluorescence.
Abbas A. Alahyari, Ellen K. Longmire
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Microburst phenomena: 3. An association between microbursts and VLF chorus

Journal of Geophysical Research, 1968
Observations made with the Injun 3 satellite of bursts of precipitating Ee ≥ 40-kev electrons and of VLF chorus emission have revealed their simultaneous occurrence. Observed microbursts are always accompanied by a group of VLF chorus emissions; chorus is not necessarily accompanied by microbursts. The maximum region of microburst occurrence from 0400 ≤
M. N. Oliven, D. A. Gurnett
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Fragility surfaces for multi-hazard analysis of suspension bridges under earthquakes and microbursts

Engineering Structures, 2019
The flexible nature of long-span suspension bridges increases their vulnerability to dynamic excitations such as winds and earthquakes. Non-stationary and transient wind events such as microbursts have the potential to create even more damage to these ...
Alice Alipour, Partha P Sarkar
exaly   +2 more sources

Experimental investigation of microbursts

Experiments in Fluids, 1996
An isolated dynamic microburst is modelled in the laboratory by releasing an elevated volume of salt water solution which is slightly heavier than ambient fresh water, allowing it to fall onto a horizontal plate and develop into a turbulent microburst vortex ring.
J. Yao, T. S. Lundgren
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An agent network for microburst detection

Proceedings Fifth IEEE Workshop on Applications of Computer Vision, 2002
Meteorological data provides a rich source of imagery which is well suited to the growing field of agent networks based image processing. We discuss one such system which analyses Doppler and reflectivity radar volumes to detect microbursts (windshear events).
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Modeling and Simulation of Microburst

Proceedings of the 2020 International Conference on Aviation Safety and Information Technology, 2020
Turbulence and windshear, especially low-altitude windshear, has great impact on successful flight. One of the most dangerous situations of low-altitude windshear associated with microburst phenomena. For the sake of avoiding or recovering microburst, we must know and study velocity trait of the wind profile.
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Microburst modelling and scaling

Journal of Fluid Mechanics, 1992
A microburst can be modelled by releasing a volume of fluid that is slightly heavier than the ambient fluid, allowing it to fall onto a horizontal surface. Vorticity develops on the sides of this parcel as it descends and causes it to roll up into a turbulent vortex ring which impinges on the ground.
T. S. Lundgren, J. Yao, N. N. Mansour
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The Evolution and Structure of a “Bow-Echo–Microburst” Event. Part I: The Microburst

Monthly Weather Review, 1992
Abstract On 14 July 1982, a comprehensive multi-Doppler radar dataset was collected during the life cycle of an intense microburst-producing thunderstorm during the Joint Airport Weather Studies (JAWS) Project. This is believed to be one of the first attempts to study the temporal and spatial evolution of an entire microburst-producing thunderstorm. In
Wen-Chau Lee, Richard E. Carbone, Roger M. Wakimoto   +2 more
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The Microburst Hazard to Aircraft

Weatherwise, 1984
In encounters with microbursts, low altitude aircraft first encounter a strong headwind which increases their wing lift and altitude; this phenomenon is followed in short succession by a decreasing headwind component, a downdraft, and finally a strong tailwind that catastrophically reduces wing lift and precipitates a crash dive.
John McCarthy, Robert Serafin
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